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05:03
Social Threat-Safety Test Uncovers Psychosocial Stress-Related Phenotypes
Published on: December 15, 2023
New social adaptability index predicts overall mortality.
Alexander Goldfarb-Rumyantzev1, Anna Barenbaum, James Rodrigue
1Division of Nephrology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, USA.
Archives of Medical Science : AMS
|February 1, 2012
Summary
A new composite index of social adaptability (SAI) effectively identifies underprivileged populations at higher risk of mortality. This validated index offers a more sensitive measure than traditional demographic factors.
Area of Science:
- Social Determinants of Health
- Biostatistics
- Public Health
Background:
- Traditional definitions of underprivileged status based on race, gender, and geography lack sensitivity and specificity.
- A novel composite index of social adaptability (SAI) was developed and validated.
Purpose of the Study:
- To propose and validate a composite index of social adaptability (SAI).
- To assess the association between SAI and all-cause and cause-specific mortality.
Main Methods:
- The SAI was calculated using factors including employment, education, income, marital status, and substance abuse.
- Validation was performed using data from NHANES-3, analyzing associations with mortality.
- Cox regression models were used for adjusted survival analyses.
Main Results:
- A weighted analysis of 19,593 subjects showed a mean SAI of 8.29.
- SAI varied significantly across racial groups, geographic locations (metropolitan vs. rural), and sex.
- Higher SAI was inversely associated with all-cause mortality (HR 0.87 per point, p < 0.001), even after adjustments.
Conclusions:
- The proposed index of social adaptability (SAI) is a validated indicator.
- SAI demonstrates a strong inverse association with mortality.
- This index can effectively identify underprivileged populations at increased risk of death.
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